Patents by Inventor Jun Aikawa

Jun Aikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tertiary amino alcohol and method of producing the same
    Patent number: 5488168
    Abstract: A tertiary amino alcohol, being useful as an emulsifier, is defined by the formula (1) or (2): ##STR1## where R is a C.sub.2 to C.sub.24 straight-chain or branched alkylene group, an alicyclic alkylene group, an aralkylene group or --CH.sub.2 CH.sub.2 O).sub.p (CH.sub.2 CH.sub.2).sub.q (where p is 0 or a positive integer and q is a positive integer), R' is a C.sub.1 to C.sub.24 straight-chain or branched alkyl group or an aralkyl group and n is a positive integer of 2 to 50.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: January 30, 1996
    Assignee: Kao Corporation
    Inventors: Kohshiro Sotoya, Hiroshi Abe, Jun Aikawa, Hideki Taniguchi, Uichiro Nishimoto
  • Process for preparing N-substituted amine
    Patent number: 5266730
    Abstract: An N-substituted amine is produced by reacting an alcohol or aldehyde with ammonia, a primary amine or a secondary amine in the presence of a catalyst comprising:(a) (1) copper, (2) a metal selected from the group consisting of chromium, manganese, iron and zinc and (3) a metal of the platinum VIII group;(b) (1) copper, (2) cobalt and (3) a metal of the platinum VIII group;(c) (1) copper, (2) a metal selected from the group consisting of chromium, manganese, iron, cobalt, nickel and zinc, (3) a metal of the platinum VIII group and (4) a metal selected from the group consisting of alkali metals and alkaline earth metals; or(d) (1) copper, (2) a metal selected from the group consisting of chromium, manganese, iron, cobalt, nickel and zinc, (3) a metal of the platinum VIII group and (4) a metal selected from the group consisting of aluminum, tungsten and molybdenum.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: November 30, 1993
    Assignee: Kao Corporation
    Inventors: Hiroshi Abe, Jun Aikawa, Kazuhiko Okabe, Kohshiro Sotoya